LTC1778EGN Linear Technology, LTC1778EGN Datasheet - Page 8

• Manufacturer Part Number: LTC1778EGN
• Description: IC CONTROLLR STP-DWN SYNC 16SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1778EGN

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Current - Output: 2A
• Voltage - Input: 4 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -
• Power - Output: -
• Frequency - Switching: -

FU CTIO AL DIAGRA
LTC1778/LTC1778-1
8
U
V
**
0.7V
RNG
3
*
LTC1778
LTC1778-1
240k
1.4V
0.7V
×4
+
–
1
t
I
ON
THB
2
1
0.8V
=
2.4V
U
V
I
V
Q3
CMP
I
ON
ION
VON
**
+
–
Q1
(10pF)
7 I
×
0.8V
+
ON
20k
Q2
EA
3.3µA
R
Q4
ON
–
Q6
R
S
+
–
5
Q
I
W
REV
0.6V
I
TH
Q5
1µA
R
C
1V
–
–
4 FCB
C
C1
SS
F
0.8V
+
+
4.7V
+
0.6V
SHDN
RUN
SHDN
–
FCNT
ON
OV
9 EXTV
SWITCH
LOGIC
1
RUN/SS C
CC
1.2µA
UV
OV
6V
+
–
+
–
SS
0.8V
REG
REF
5V
0.74V
0.86V
PGOOD*
BOOST
INTV
PGND
SW
TG
BG
16
15
14
11
12
13
2
10 V
CC
IN
D
B
+
C
C
B
VCC
C
IN
M1
M2
V
+
SGND
IN
L1
V
1778 FD
8
6
FB
C
OUT
R2
R1
V
OUT
1778fb